There are many problems though using this method it violates your privacy and there needs to be consent to use this method many say that this violates the civil rights law and scientist are trying to prove that is used primarily for science and law, there are going to be limitations on it of course they need clear guidelines
There are many problems though using this method it violates your privacy and there needs to be consent to use this method many say that this violates the civil rights law and scientist are trying to prove that is used primarily for science and law, there are going to be limitations on it of course they need clear guidelines